555564 has 24 divisors (see below), whose sum is σ = 1317568. Its totient is φ = 182160.

The previous prime is 555557. The next prime is 555589. The reversal of 555564 is 465555.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555564.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459 + ... + 1149.

2⁵⁵⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

555564 is an abundant number, since it is smaller than the sum of its proper divisors (762004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555564 is a wasteful number, since it uses less digits than its factorization.

555564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 763 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 555564 is about 745.3616571839. The cubic root of 555564 is about 82.2074856581.

Subtracting from 555564 its reverse (465555), we obtain a palindrome (90009).

The spelling of 555564 in words is "five hundred fifty-five thousand, five hundred sixty-four".